While the basic idea of all tools stays the same, the different markings on metric tools is often a source of frustration for middle school students encountering these devices for the first time. So let’s learn how to use each of them to accurately communicate measurements: How do use a Graduated Cylinder to measure Volume: …
Human manipulation of Earth’s water systems is arguably the greatest accomplishment of our civilization. But our efforts to water crops, provide clean drinking water and remove waste from our living spaces may also be the worst thing we’ve done to the planet. Earth’s Water Cycle Hopefully by the time you’ve found this page, you’re pretty …
Just as the ingredients in your pantry combine to form different substances, the 90 atoms on Earth form almost infinite combinations to create all of the substances we come into contact with every day! PURE MATTER contains only one particle If someone gave you a “pure gold” necklace, you would expect Gold to be the …
If there are only 90 types of atoms found on Earth, how do we have over 100 million different substances? Because just as Legos link together to make structures and letters link together to make words, atoms link together to form different substances called COMPOUNDS!
Now that we know all matter is made of atoms, we need to understand what an atom is, and how many there are! Keep reading to find out all about ATOMS and the substances they compose called ELEMENTS.